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Heart|Lab Grown|GCAL

1.00ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • GCAL 340810524

Shape and cutting style on the report: Heart brilliant

Certificate GCAL 340810524

Diamond specifications and retailer prices

From $307 AUD
$216 USD
As of October 30, 2026
Save $1,376 AUD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,683 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 340810524. Listed at 7 retailers as of October 30, 2026, with prices from $307 to $1,683, a $1,376 spread on the same certified stone. MOH London lists it at $1,683. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 340810524
Dimensions7.04 × 6.09 × 3.92 mm
L/W Ratio1.16
Culet sizeNone
Top View
7.04 mm6.09 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGCAL 340810524
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.4°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,683 AUD|Low: $295 AUD|High: $1,703 AUD|Avg: $824 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$307 AUD
Retailer 6$356 AUD
Retailer 7$401 AUD
Retailer 5$651 AUD
Retailer 8$683 AUD
Retailer 2$1,227 AUD
Retailer 4$1,350 AUD
MOH London$1,683 AUD

12 data points across 8 retailers

7 retailers$307 AUD to $1,683 AUD

B+
Cheapest Retailer
-
$307 AUD
$216 USD
B+
Retailer 2
-
$356 AUD
$250 USD
View
B+
Retailer 3
-
$401 AUD
$282 USD
View
B
Retailer 4
-
$651 AUD
$457 USD
View
B
Retailer 5
-
$1,227 AUD
$862 USD
View
C
Retailer 6
-
$1,350 AUD
$948 USD
View
Most Expensive
C
MOH London
340810524 · Nov 1
$1,683 AUD
£931 GBP
View
6 more retailers have this diamond
Prices start from $307 AUDSave up to $1,376 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Heart
$307 AUD